ProSoft Technology MVI56-LTQ - Manual (Page 65)

MVI56-LTQ ♦ ControlLogix Platform Reference
Limitorque Valve Actuator Master Communication Module User Manual
ProSoft Technology, Inc. Page 65 of 98
August 30, 2010
When the module performs a restart operation, it requests configuration
information from the ControlLogix processor. This data is transferred to the
module in specially formatted write block (output image). The module will poll for
the block by setting the required write block number in a read block (input
image). Refer to Module Configuration for a description of the data objects used
with the blocks and the ladder logic required. The following topics show the
format of the blocks for configuration.
Configuration Data Transfer
Module Configuration Data
This block sends general configuration information from the processor to the
module. The data is transferred in a block with an identification code of 9000.
The following table shows the structure of this block.
Word Description
0 BTW ID 9000
1 Baud Rate
2 Message Response Timeout
3
Max Number of Slaves
4
Read Data Block Count
5
Block Transfer Delay
6
Last State of Comm Fail
7
Network Polling Scheme
8
Propagation Delay
9
RTS to TxD delay
10
Special Polling
11
Active Slave Table Word 0
12 Active Slave Table Word 1
13 Active Slave Table Word 2
14 Active Slave Table Word 3
15 Active Slave Table Word 4
16 Active Slave Table Word 5
17 Active Slave Table Word 6
18 Active Slave Table Word 7
19 Active Slave Table Word 8
20 Active Slave Table Word 9
21 to 247 Spare
The read block used to request the configuration has the following structure.
Word
Description
0 Reserved
1 BTW ID 9000
2 to 248 Reserved
249 BTR ID -2 or -3
If there are any errors in the configuration, the bit associated with the error is set
in the module configuration error word. The error must be corrected in order for
the user configuration to be implemented without error.